A.\(x = 17\)
B.\(x = 24\)
C.\(x = 2\)
D.\(x = 40\)

A.\( - 3\) 
B.\(3\)
C.\(4\)
D.\(5\)

A.\(Q\left( {4; - 2;1} \right).\)
B.\(N\left( {4;2;1} \right).\)
C.\(P\left( {2;1; - 3} \right).\)
D.\(M\left( {2;1;3} \right).\)

A.\(4\)
B.\( - 3\)
C.\(3\)
D.\( - 4\)

A.\(\left( { - 1;\,\,2;\, - 3} \right)\)
B.\(\left( {2;\,\, - 4;\,6} \right)\)
C.\(\left( {1;\,\, - 2;\,3} \right)\)
D.\(\left( { - 2;\,\,4;\, - 6} \right)\)

A.\(x = 3\)
B.\(x =  - 1\)
C.\(x = 2\)
D.\(x =  - 3\)

A.\(12{a^3}\)
B.\(4{a^3}\)
C.\(2{a^3}\)
D.\(6{a^3}\)

A.\(48\pi \)
B.\(4\pi \)
C.\(16\pi \)
D.\(24\pi \)

A.\(a = 8{b^2}\)
B.\(a = 8b\)
C.\(a = 6b\)
D.\(a = 8{b^4}\)

A.\(\dfrac{{49{\rm{\pi }}}}{4}\)
B.\(\dfrac{{49{\rm{\pi }}}}{2}\)
C.\(49{\rm{\pi }}\)
D.\(98{\rm{\pi }}\)